Metal building insulation is one of the most important elements in a home, especially when it comes to energy savings and comfort. It limits heat transfer, stopping warm air from escaping the house in the winter and cold air from flowing in during the summer. It also acts as a sound barrier to limit noise from outside. There are a number of different types of insulation, but all work on the same principle by limiting the transmission of heat through conduction and radiation.

The type of insulation you choose depends on a variety of factors including home comfort, energy efficiency and installation method. Here is an overview of some common options:

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Fibreglass: This is the most common type of insulation and is made from very fine glass fibres. It is available as blankets (known as batts or rolls), as loose-fill and as rigid boards. It is best suited for standard stud and joist spacing, and is relatively inexpensive. However, it can irritate the skin and lungs if the fibres become airborne. It can also underperform if not installed properly.

Cellulose: This is a recycled paper-based product that’s made from around 85% post-consumer waste, plus 15% fire retardant. It’s typically injected between studs and joists, but can also be used in attics or basement walls. It has a high R-value but can be expensive.

Spray foam: This is a highly effective and long-lasting option. It creates an air seal to stop draughts and air leakage, and is suitable for wall cavities, attics and floors. It’s more expensive than the other two options but can provide greater energy savings. It’s also more flexible and easy to install than other products.

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